Home / 2,425.16-3,638.07-1,038.51

Finding the Fourth Proportional to 2,425.16, 3,638.07 and 1,038.51

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Solution

The fourth proportional to 2,425.16, 3,638.07 and 1,038.51 is: 1,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.16 : 3,638.07 = 1,038.51 : x
  2. Step 2: Convert to fraction form
    2,425.16/3,638.07 = 1,038.51/x
  3. Step 3: Cross multiply
    2,425.16x = 3,638.07 × 1,038.51
  4. Step 4: Simplify right side
    2,425.16x = 3,778,172.08
  5. Step 5: Solve for x
    x = 3,778,172.08/2,425.16
  6. Step 6: Final answer
    x = 1,557.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.